Bladder too big
No plan provides
appropriate coverage
Shape change due to bladder
overfilled
Shape change due to rectal
filling (flatus/faeces)
Remove patient from couch, void bladder, repeat
drinking protocol but review
i) volume of fluid drank and or
ii) reducing time to image acquisition (<30mins),
iii) ensure appropriate clinical assessment is made
and that patient is not developing toxicity
necessitating intervention and preventing from
appropriate voiding
Significant shape change